from baike_spider import url_manager, html_downloader, html_outer, html_parser

class SpiderMain(object):
    def __init__(self):
        self.urls = url_manager.UrlManager()
        self.downloader = html_downloader.HtmlDownloader()
        self.parser = html_parser.HtmlParser()
        self.outerputer = html_outer.HtmlOutputer()


    def craw(self, root_url):
        count = 1
        self.urls.add_new_url(root_url)
        while self.urls.has_new_url():
            try:
                new_url = self.urls.get_new_url()
                print(count, new_url)
                html_cont = self.downloader.download(new_url)
                new_urls, new_data = self.parser.parser(new_url, html_cont)
                self.urls.add_new_urls(new_urls)
                self.outerputer.collect_data(new_data)

                if count == 1000:
                    break
                count = count + 1
            except:
                print('爬取失败')
        self.outerputer.outout_html()

if __name__ == '__main__':
    root_url = 'https://baike.baidu.com/item/%E6%B8%85%E5%8D%8E%E5%A4%A7%E5%AD%A6'
    obj_spider = SpiderMain()
    obj_spider.craw(root_url)
